> Date: Sat, 16 Sep 1995 08:21:44 -0700 (PDT)
> From: "Eduardo E. Horvath  eeh@btr.com" <eeh@btr.btr.com>
> Subject: Re: m68k (and alpha?) pmap.c bug in pmap_enter_ptpage()?
> To: Niklas Hallqvist <niklas@appli.se>
> 
> Er, not quite.  There's still a (possibly new) problem in pmap_remove
> where it tries to remove an entry that returns a NULL page table 
> reference.  Maybe I should send-pr that...
> 
Where exactly does it detect/dereference the NULL "page table reference"
(pte?)